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Finding the Fourth Proportional to 574,739,246.40, 862,024,888.80 and 165,752,750.40

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Solution

The fourth proportional to 574,739,246.40, 862,024,888.80 and 165,752,750.40 is: 248,604,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,739,246.40 : 862,024,888.80 = 165,752,750.40 : x
  2. Step 2: Convert to fraction form
    574,739,246.40/862,024,888.80 = 165,752,750.40/x
  3. Step 3: Cross multiply
    574,739,246.40x = 862,024,888.80 × 165,752,750.40
  4. Step 4: Simplify right side
    574,739,246.40x = 142,882,996,231,854,160
  5. Step 5: Solve for x
    x = 142,882,996,231,854,160/574,739,246.40
  6. Step 6: Final answer
    x = 248,604,905.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.